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server.js
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server.js
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const express = require('express');
const bp = require('body-parser');
const database_dao = require('./dao/database_dao');
const elastic_dao = require('./dao/elasticsearch_dao');
const mongodb_dao = require('./dao/mongodb_dao');
const path = require('path');
const fs = require('fs');
const app = express();
const new_config_content = fs.readFileSync(path.join(__dirname + "/new_data.json"));
app.use('/', express.static(__dirname + "/"));
app.use(bp.urlencoded({ extended: true }));
app.use(bp.json());
app.get('/', (req, res) => {
try {
res.sendFile(path.join(__dirname + "/view/" + "index.html"));
}
catch (err) {
console.log("error for start file " + err);
throw err;
}
});
app.post('/getConfig', (req, res) => {
database_dao.getConfig(req.body).then(function (data) {
console.log('successful fetching of config');
res.send({ success: true, data: data });
}).catch(function (err) {
console.log('Error from /getConfig ' + err);
throw err;
});
});
app.post('/controller/fetch_dashboard_controller', (req, res) => {
database_dao.getDashboard(req.body).then(function (data) {
console.log('successful fetching of dashboard');
res.send({ success: true, data: data });
}).catch(function (err) {
console.log('Error from /controller/fetch_dashboard_controller' + err);
throw err;
});
});
app.post('/dashboard_name_click_controller/click', (req, res) => {
database_dao.addSession(req.body).then(function () {
console.log("dashboard click id " + req.body);
console.log('success add session');
database_dao.getConfig(req.body).then(function (data) {
console.log('successful get config');
res.send({ success: true, data: data });
}).catch(function (err) {
console.log('Error from /dashboard_name_click_controller/click in getConfig' + err);
throw err;
});
}).catch(function (err) {
console.log('Error from /dashboard_name_click_controller/click in addSession' + err);
throw err;
});
});
app.get('/getNewConfig/sampleData', (req, res) => {
try {
res.contentType('json');
res.send(JSON.parse(new_config_content));
} catch (err) {
console.log("Error from /getNewConfig " + err);
throw err;
}
});
app.post('/registration', (req, res) => {
database_dao.addUser(req.body).then(function (data) {
res.send({ success: true, data: data });
}).catch(function (err) {
console.log('Error from /registration ' + err);
throw err;
})
});
app.post('/login', (req, res) => {
database_dao.getLogin(req.body).then(function (data) {
console.log('success login');
res.send({ success: true, data: data });
}).catch(function (err) {
console.log('Error from /login ' + err);
throw err;
})
});
app.post('/save_newConfig', (req, res) => {
database_dao.addConfig(req.body).then(function (data) {
console.log('success config');
res.send({ success: true, data: data });
if(data!=null){
let result={
Email:req.body.Email,
dashboard_id:data
};
database_dao.addSession(result).then(function () {
res.send({success: true,data:data});
}).catch(function (err) {
console.log("error in adding session"+err);
throw err;
})
}
}).catch(function (err) {
console.log('Error from /save_newConfig' + err);
throw err;
})
});
app.post('/components/query/result', (req, res) => {
database_dao.getDataSource(req.body).then(function (data) {
let component_id = req.body.component_id;
let data_body = {
name: req.body.id,
query: req.body.query,
host: data.host,
datasource: data.data_source_name,
database: data.database,
table: data.table
};
if (data === "null") {
console.log("data received is null in /components/query/result");
}
if (data.data_source_name === "elasticsearch") {
try {
elastic_dao.query(data_body, data => {
let query_result_map={};
query_result_map[component_id]=data;
console.log(query_result_map);
console.log("result from elasticsearch" + data);
res.send({success: true, data: data,map:query_result_map});
})
}
catch (err) {
console.log('Error from elasticsearch' + err);
throw err;
}
}
if (data.data_source_name === "mongodb") {
try {
mongodb_dao.query(data_body,data=>{
let query_result_map={};
query_result_map[component_id]=data;
console.log(query_result_map);
console.log("result from mongo"+data);
res.send({success:true,data:data,map:query_result_map});
});
} catch (err) {
console.log('Error from mongodb' + err);
throw err;
}
}
}).catch(function (err) {
console.log('Error from /components/query/result' + err);
throw err;
});
});
app.post('/updateConfig', (req, res) => {
database_dao.updateConfig(req.body).then(function (data) {
console.log('success update config');
res.send({ success: true, data: data });
}).catch(function (err) {
console.log('Error in update config' + err);
throw err;
});
});
app.listen(7860, function () {
console.log("Server started on http://localhost:7860");
});